PhaseOne P 65+ User Manual page 47

Power Source
Power source has two options, "Autodetect" or "Battery".
Default is Autodetect, the P+ back will detect if an IEEE 1394/FireWire
connection is supplying power, and automatically shut off the battery
power.
If Power Source is set to "Battery" the power source is forced to come
from the battery, and the digital back will not consume power from the
FireWire connection.
It is recommendable when using technical or large format cameras,
that you force the power source to be battery power.
Do this to avoid draining the battery in a MacBook or PowerBook.
Format disk
Selecting "Format disk" will erase the CF-card in the P 65+ back. The
CF-card will be formatted as FAT-32. ALL DATA WILL BE LOST!
Please see CF-card section for troubleshooting if your card is not
recognized.
File Extension
Select the file extension; this does not change the format, only the
extension.
Default is .TIF
Choose between .TIF and .IIQ
Some operating systems and certain applications might not support
files holding the .IIQ extension; this is solved by changing the extension
from .IIQ to .TIF
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